| Year | 1934 |
| Date | 01-Mar |
| Volume | 70 |
| Issue | 1,712 |
| Page | 197 |
| Category | Pump |
| Part | |
| Title | Constructing the "M.E." Traction Engine Pump |
| Author | H.Greenly |
| Notes | Screwing in the delivery valve seating, square hole for driving same into place, screwed plug jig for drilling slanting passages |